International rules for the cataloguing of educational, scientific and cultural films and film-strips on 3" x 5" (7.5 cm x 12.5 cm) cards
International rules for the cataloguing of educational, scientific and cultural films and film-strips on 3" x 5" (7.5 cm x 12.5 cm) cards
- Paris : UNESCO, 1956
- 53
Monografía
C/Z695.64/I56
Monografía
C/Z695.64/I56